Home / 110,264.62-152,109.08-72,046.54

Finding the Fourth Proportional to 110,264.62, 152,109.08 and 72,046.54

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Solution

The fourth proportional to 110,264.62, 152,109.08 and 72,046.54 is: 99,387.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,264.62 : 152,109.08 = 72,046.54 : x
  2. Step 2: Convert to fraction form
    110,264.62/152,109.08 = 72,046.54/x
  3. Step 3: Cross multiply
    110,264.62x = 152,109.08 × 72,046.54
  4. Step 4: Simplify right side
    110,264.62x = 10,958,932,916.58
  5. Step 5: Solve for x
    x = 10,958,932,916.58/110,264.62
  6. Step 6: Final answer
    x = 99,387.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.